A=[1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1;
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18;
3	17	4	26	5	45	7	43	1	0	0	0	0	0	0	0	0	1;
0	3	4	5	7	1	17	26	43	0	0	0	0	0	0	0	1	1;
0	0	11	3	4	5	7	17	26	43	0	0	0	0	0	1	0	45;
0	0	0	4	5	3	7	17	26	43	45	1	0	0	0	0	0	1;
0	0	0	0	11	7	3	5	4	17	26	43	45	1	0	0	0	0;
0	0	0	0	0	45	43	26	17	7	4	3	5	1	1	0	0	0;
0	0	0	0	0	0	11	45	43	26	17	3	7	4	5	1	0	0;
0	0	0	0	0	0	0	11	1	45	43	26	17	7	3	5	4	0;
0	0	0	0	0	0	0	0	3	4	5	7	17	26	43	1	1	45;
0	0	11	3	4	7	5	17	26	45	1	0	0	0	0	0	0	43];
B = [1800	17102	17204	17203	17203	17202	17204	17202	41720	41720	21720	21720];
C = [545	778	1011	1244	1477	1710	1943	2176	2409	2642	2875	3108	3341	3574	3807	4040	4273	4506];
ln = [0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0];
[x, fval] = linprog(C, -A, -B, [], [], ln, [])